此方法返回哈希的克隆。
语法
hash.clone();
返回值
返回哈希的克隆。
例子
HTML
x
24
24
1
<html>2
<head>3
<title>Prototype examples</title>4
<script type = "text/javascript" src = "/javascript/prototype.js"></script>5
6
<script>7
function showResult() {8
var hash = new Hash({ a: 'apple'});9
var clone = hash.clone();10
alert("Value in hash : " + hash.get('a') );11
alert("Value in clone : " + clone.get('a') );12
hash.unset('a');13
clone.unset('a');14
}15
</script>16
</head>17
18
<body>19
<p>Click the button to see the result.</p>20
<br />21
<br />22
<input type = "button" value = "Result" onclick = "showResult();"/>23
</body>24
</html>阅读剩余 77%
作者：terry，如若转载，请注明出处：https://www.web176.com/prototype_api/8743.html
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